1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/lemon/cbc.h Wed Apr 01 22:58:58 2009 +0200
1.3 @@ -0,0 +1,150 @@
1.4 +/* -*- mode: C++; indent-tabs-mode: nil; -*-
1.5 + *
1.6 + * This file is a part of LEMON, a generic C++ optimization library.
1.7 + *
1.8 + * Copyright (C) 2003-2009
1.9 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
1.10 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
1.11 + *
1.12 + * Permission to use, modify and distribute this software is granted
1.13 + * provided that this copyright notice appears in all copies. For
1.14 + * precise terms see the accompanying LICENSE file.
1.15 + *
1.16 + * This software is provided "AS IS" with no warranty of any kind,
1.17 + * express or implied, and with no claim as to its suitability for any
1.18 + * purpose.
1.19 + *
1.20 + */
1.21 +
1.22 +// -*- C++ -*-
1.23 +#ifndef LEMON_CBC_H
1.24 +#define LEMON_CBC_H
1.25 +
1.26 +///\file
1.27 +///\brief Header of the LEMON-CBC mip solver interface.
1.28 +///\ingroup lp_group
1.29 +
1.30 +#include <lemon/lp_base.h>
1.31 +
1.32 +class CoinModel;
1.33 +class OsiSolverInterface;
1.34 +class CbcModel;
1.35 +
1.36 +namespace lemon {
1.37 +
1.38 + /// \brief Interface for the CBC MIP solver
1.39 + ///
1.40 + /// This class implements an interface for the CBC MIP solver.
1.41 + ///\ingroup lp_group
1.42 + class CbcMip : public MipSolver {
1.43 + protected:
1.44 +
1.45 + CoinModel *_prob;
1.46 + OsiSolverInterface *_osi_solver;
1.47 + CbcModel *_cbc_model;
1.48 +
1.49 + public:
1.50 +
1.51 + /// \e
1.52 + CbcMip();
1.53 + /// \e
1.54 + CbcMip(const CbcMip&);
1.55 + /// \e
1.56 + ~CbcMip();
1.57 + /// \e
1.58 + virtual CbcMip* newSolver() const;
1.59 + /// \e
1.60 + virtual CbcMip* cloneSolver() const;
1.61 +
1.62 + protected:
1.63 +
1.64 + virtual const char* _solverName() const;
1.65 +
1.66 + virtual int _addCol();
1.67 + virtual int _addRow();
1.68 +
1.69 + virtual void _eraseCol(int i);
1.70 + virtual void _eraseRow(int i);
1.71 +
1.72 + virtual void _eraseColId(int i);
1.73 + virtual void _eraseRowId(int i);
1.74 +
1.75 + virtual void _getColName(int col, std::string& name) const;
1.76 + virtual void _setColName(int col, const std::string& name);
1.77 + virtual int _colByName(const std::string& name) const;
1.78 +
1.79 + virtual void _getRowName(int row, std::string& name) const;
1.80 + virtual void _setRowName(int row, const std::string& name);
1.81 + virtual int _rowByName(const std::string& name) const;
1.82 +
1.83 + virtual void _setRowCoeffs(int i, ExprIterator b, ExprIterator e);
1.84 + virtual void _getRowCoeffs(int i, InsertIterator b) const;
1.85 +
1.86 + virtual void _setColCoeffs(int i, ExprIterator b, ExprIterator e);
1.87 + virtual void _getColCoeffs(int i, InsertIterator b) const;
1.88 +
1.89 + virtual void _setCoeff(int row, int col, Value value);
1.90 + virtual Value _getCoeff(int row, int col) const;
1.91 +
1.92 + virtual void _setColLowerBound(int i, Value value);
1.93 + virtual Value _getColLowerBound(int i) const;
1.94 + virtual void _setColUpperBound(int i, Value value);
1.95 + virtual Value _getColUpperBound(int i) const;
1.96 +
1.97 + virtual void _setRowLowerBound(int i, Value value);
1.98 + virtual Value _getRowLowerBound(int i) const;
1.99 + virtual void _setRowUpperBound(int i, Value value);
1.100 + virtual Value _getRowUpperBound(int i) const;
1.101 +
1.102 + virtual void _setObjCoeffs(ExprIterator b, ExprIterator e);
1.103 + virtual void _getObjCoeffs(InsertIterator b) const;
1.104 +
1.105 + virtual void _setObjCoeff(int i, Value obj_coef);
1.106 + virtual Value _getObjCoeff(int i) const;
1.107 +
1.108 + virtual void _setSense(Sense sense);
1.109 + virtual Sense _getSense() const;
1.110 +
1.111 + virtual ColTypes _getColType(int col) const;
1.112 + virtual void _setColType(int col, ColTypes col_type);
1.113 +
1.114 + virtual SolveExitStatus _solve();
1.115 + virtual ProblemType _getType() const;
1.116 + virtual Value _getSol(int i) const;
1.117 + virtual Value _getSolValue() const;
1.118 +
1.119 + virtual void _clear();
1.120 +
1.121 + public:
1.122 +
1.123 + ///Enum for \c messageLevel() parameter
1.124 + enum MessageLevel {
1.125 + /// no output (default value)
1.126 + MESSAGE_NO_OUTPUT = 0,
1.127 + /// error messages only
1.128 + MESSAGE_ERROR_MESSAGE = 1,
1.129 + /// normal output
1.130 + MESSAGE_NORMAL_OUTPUT = 2,
1.131 + /// full output (includes informational messages)
1.132 + MESSAGE_FULL_OUTPUT = 3
1.133 + };
1.134 +
1.135 + private:
1.136 +
1.137 + MessageLevel _message_level;
1.138 +
1.139 + public:
1.140 +
1.141 + ///Set the verbosity of the messages
1.142 +
1.143 + ///Set the verbosity of the messages
1.144 + ///
1.145 + ///\param m is the level of the messages output by the solver routines.
1.146 + void messageLevel(MessageLevel m);
1.147 +
1.148 +
1.149 + };
1.150 +
1.151 +}
1.152 +
1.153 +#endif